plz help me..........
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arjuna91:
right answer will get 100 rupee on paytm
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(4x)^2-(9)^2
by a^2-b^2=(a+b)(a-b)
therefore(4x-9)(4x+9)
b)=: (5x)^2-(7z)^2
by a^2-b^2=(a-b)(a+b)
therefore (5x-7z)(5x+7z)
hope this will help u !!❤❤
by a^2-b^2=(a+b)(a-b)
therefore(4x-9)(4x+9)
b)=: (5x)^2-(7z)^2
by a^2-b^2=(a-b)(a+b)
therefore (5x-7z)(5x+7z)
hope this will help u !!❤❤
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yes
you has use 3 identity
s / no
no its one
no its identity 3
only one
a^2-b^2
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